New Insoluble Titanium mesh or plate Anodes SIA® (Shielded Insoluble Anode ).
The origin of the development was to find a « new anode type » in order to modify the additive behavior in acid copper bath for PWB used with insoluble anodes
Advantages :
Induced a longer bath life
Increased life of the active coating when there is less of an attack by the additives
Reduced influence of anodic bubble action on the cathodic layer due to increased bubble sizes
Reduced influence of the undesirable action of the reverse pulse on the life of the electrocatalyst
Increased efficiency of copper deposition by prevention of Cu+ – oxidation on the electrocatalyst
Stable shielding during the complete life of the activated coating.
Limitation of the break down products generation in Via or Through Hole filling applications
